public class MainJava {
    public static void main(String[] args) {
        System.out.println("Hello,World!");
        Person person = new Person("lc", 12);
        person.setAge(13);
        person.getName();
    }

    int a;
    Integer ab;

    public int max(int a, int b) {
        if (a > b) {
            return a;
        } else {
            return b;
        }
    }
}
